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WANG Li-peng, JIANG Xin-biao, ZHAO Zhu-min, CHEN Li-xin. Application of SiO2 Thermal Neutron Scattering Cross Sections in Space Reactor Accident Analysis[J]. Atomic Energy Science and Technology, 2014, 48(4): 680-684. DOI: 10.7538/yzk.2014.48.04.0680
Citation: WANG Li-peng, JIANG Xin-biao, ZHAO Zhu-min, CHEN Li-xin. Application of SiO2 Thermal Neutron Scattering Cross Sections in Space Reactor Accident Analysis[J]. Atomic Energy Science and Technology, 2014, 48(4): 680-684. DOI: 10.7538/yzk.2014.48.04.0680
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Application of SiO2 Thermal Neutron Scattering Cross Sections in Space Reactor Accident Analysis

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  • Thermal neutron scattering of SiO2 may have the impact on analysis of the geologic storage of nuclear waste and criticality safety of space reactor’s falling accident. The ACE format SiO2 thermal neutron cross sections were generated by using the new TSL library of ENDF/B Ⅶ-1. Cross sections at different temperatures were investigated. Comparison of SiO2 thermal neutron scattering cross sections between phonon model and free gas model was done. The space reactor’s criticality safety in wet sand was analyzed by using the new library, and the harmful moderating proportion of wet sand was given.
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